Loudspeaker



FIG. 1 is a front and right side perspective view of a loudspeaker showing my new design;

FIG. 2 is a front and right side perspective view thereof with the covers removed;

FIG. 3 is a left side elevational view thereof, the right side being a mirror image;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a bottom plan view thereof.

The rear of the loudspeaker is plane and unornamented. 

The ornamental design for a loudspeaker, as shown and described. 